| 1 | /*
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| 2 | * Copyright © 2008 Intel Corporation
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| 3 | *
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| 4 | * Permission is hereby granted, free of charge, to any person obtaining a
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| 5 | * copy of this software and associated documentation files (the "Software"),
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| 6 | * to deal in the Software without restriction, including without limitation
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| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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| 8 | * and/or sell copies of the Software, and to permit persons to whom the
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| 9 | * Software is furnished to do so, subject to the following conditions:
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| 10 | *
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| 11 | * The above copyright notice and this permission notice (including the next
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| 12 | * paragraph) shall be included in all copies or substantial portions of the
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| 13 | * Software.
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| 14 | *
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| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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| 18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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| 20 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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| 21 | * IN THE SOFTWARE.
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| 22 | *
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| 23 | * Authors:
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| 24 | * Eric Anholt <[email protected]>
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| 25 | * Zhigang Gong <[email protected]>
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| 26 | *
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| 27 | */
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| 28 |
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| 29 | #ifndef GLAMOR_H
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| 30 | #define GLAMOR_H
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| 31 |
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| 32 | #include <scrnintstr.h>
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| 33 | #include <pixmapstr.h>
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| 34 | #include <gcstruct.h>
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| 35 | #include <picturestr.h>
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| 36 | #include <fb.h>
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| 37 | #include <fbpict.h>
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| 38 | #ifdef GLAMOR_FOR_XORG
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| 39 | #include <xf86xv.h>
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| 40 | #endif
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| 41 |
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| 42 | struct glamor_context;
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| 43 |
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| 44 | /*
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| 45 | * glamor_pixmap_type : glamor pixmap's type.
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| 46 | * @MEMORY: pixmap is in memory.
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| 47 | * @TEXTURE_DRM: pixmap is in a texture created from a DRM buffer.
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| 48 | * @SEPARATE_TEXTURE: The texture is created from a DRM buffer, but
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| 49 | * the format is incompatible, so this type of pixmap
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| 50 | * will never fallback to DDX layer.
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| 51 | * @DRM_ONLY: pixmap is in a external DRM buffer.
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| 52 | * @TEXTURE_ONLY: pixmap is in an internal texture.
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| 53 | */
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| 54 | typedef enum glamor_pixmap_type {
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| 55 | GLAMOR_MEMORY,
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| 56 | GLAMOR_MEMORY_MAP,
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| 57 | GLAMOR_TEXTURE_DRM,
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| 58 | GLAMOR_SEPARATE_TEXTURE,
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| 59 | GLAMOR_DRM_ONLY,
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| 60 | GLAMOR_TEXTURE_ONLY,
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| 61 | GLAMOR_TEXTURE_LARGE,
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| 62 | GLAMOR_TEXTURE_PACK
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| 63 | } glamor_pixmap_type_t;
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| 64 |
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| 65 | #define GLAMOR_EGL_EXTERNAL_BUFFER 3
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| 66 | #define GLAMOR_INVERTED_Y_AXIS 1
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| 67 | #define GLAMOR_USE_SCREEN (1 << 1)
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| 68 | #define GLAMOR_USE_PICTURE_SCREEN (1 << 2)
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| 69 | #define GLAMOR_USE_EGL_SCREEN (1 << 3)
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| 70 | #define GLAMOR_NO_DRI3 (1 << 4)
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| 71 | #define GLAMOR_VALID_FLAGS (GLAMOR_INVERTED_Y_AXIS \
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| 72 | | GLAMOR_USE_SCREEN \
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| 73 | | GLAMOR_USE_PICTURE_SCREEN \
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| 74 | | GLAMOR_USE_EGL_SCREEN \
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| 75 | | GLAMOR_NO_DRI3)
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| 76 |
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| 77 | /* @glamor_init: Initialize glamor internal data structure.
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| 78 | *
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| 79 | * @screen: Current screen pointer.
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| 80 | * @flags: Please refer the flags description above.
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| 81 | *
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| 82 | * @GLAMOR_INVERTED_Y_AXIS:
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| 83 | * set 1 means the GL env's origin (0,0) is at top-left.
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| 84 | * EGL/DRM platform is an example need to set this bit.
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| 85 | * glx platform's origin is at bottom-left thus need to
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| 86 | * clear this bit.
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| 87 | *
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| 88 | * @GLAMOR_USE_SCREEN:
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| 89 | * If running in an pre-existing X environment, and the
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| 90 | * gl context is GLX, then you should set this bit and
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| 91 | * let the glamor to handle all the screen related
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| 92 | * functions such as GC ops and CreatePixmap/DestroyPixmap.
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| 93 | *
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| 94 | * @GLAMOR_USE_PICTURE_SCREEN:
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| 95 | * If don't use any other underlying DDX driver to handle
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| 96 | * the picture related rendering functions, please set this
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| 97 | * bit on. Otherwise, clear this bit. And then it is the DDX
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| 98 | * driver's responsibility to determine how/when to jump to
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| 99 | * glamor's picture compositing path.
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| 100 | *
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| 101 | * @GLAMOR_USE_EGL_SCREEN:
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| 102 | * If you are using EGL layer, then please set this bit
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| 103 | * on, otherwise, clear it.
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| 104 | *
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| 105 | * This function initializes necessary internal data structure
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| 106 | * for glamor. And before calling into this function, the OpenGL
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| 107 | * environment should be ready. Should be called before any real
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| 108 | * glamor rendering or texture allocation functions. And should
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| 109 | * be called after the DDX's screen initialization or at the last
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| 110 | * step of the DDX's screen initialization.
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| 111 | */
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| 112 | extern _X_EXPORT Bool glamor_init(ScreenPtr screen, unsigned int flags);
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| 113 | extern _X_EXPORT void glamor_fini(ScreenPtr screen);
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| 114 |
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| 115 | /* This function is used to free the glamor private screen's
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| 116 | * resources. If the DDX driver is not set GLAMOR_USE_SCREEN,
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| 117 | * then, DDX need to call this function at proper stage, if
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| 118 | * it is the xorg DDX driver,then it should be called at free
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| 119 | * screen stage not the close screen stage. The reason is after
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| 120 | * call to this function, the xorg DDX may need to destroy the
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| 121 | * screen pixmap which must be a glamor pixmap and requires
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| 122 | * the internal data structure still exist at that time.
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| 123 | * Otherwise, the glamor internal structure will not be freed.*/
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| 124 | extern _X_EXPORT Bool glamor_close_screen(ScreenPtr screen);
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| 125 |
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| 126 | /* Let glamor to know the screen's fbo. The low level
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| 127 | * driver should already assign a tex
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| 128 | * to this pixmap through the set_pixmap_texture. */
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| 129 | extern _X_EXPORT void glamor_set_screen_pixmap(PixmapPtr screen_pixmap,
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| 130 | PixmapPtr *back_pixmap);
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| 131 |
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| 132 | extern _X_EXPORT uint32_t glamor_get_pixmap_texture(PixmapPtr pixmap);
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| 133 |
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| 134 | extern _X_EXPORT Bool glamor_glyphs_init(ScreenPtr pScreen);
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| 135 |
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| 136 | extern _X_EXPORT void glamor_set_pixmap_texture(PixmapPtr pixmap,
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| 137 | unsigned int tex);
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| 138 |
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| 139 | extern _X_EXPORT void glamor_set_pixmap_type(PixmapPtr pixmap,
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| 140 | glamor_pixmap_type_t type);
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| 141 | extern _X_EXPORT void glamor_destroy_textured_pixmap(PixmapPtr pixmap);
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| 142 | extern _X_EXPORT void glamor_block_handler(ScreenPtr screen);
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| 143 |
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| 144 | extern _X_EXPORT PixmapPtr glamor_create_pixmap(ScreenPtr screen, int w, int h,
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| 145 | int depth, unsigned int usage);
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| 146 | extern _X_EXPORT Bool glamor_destroy_pixmap(PixmapPtr pixmap);
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| 147 |
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| 148 | #define GLAMOR_CREATE_PIXMAP_CPU 0x100
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| 149 | #define GLAMOR_CREATE_PIXMAP_FIXUP 0x101
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| 150 | #define GLAMOR_CREATE_FBO_NO_FBO 0x103
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| 151 | #define GLAMOR_CREATE_PIXMAP_MAP 0x104
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| 152 | #define GLAMOR_CREATE_NO_LARGE 0x105
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| 153 | #define GLAMOR_CREATE_PIXMAP_NO_TEXTURE 0x106
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| 154 |
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| 155 | /* @glamor_egl_exchange_buffers: Exchange the underlying buffers(KHR image,fbo).
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| 156 | *
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| 157 | * @front: front pixmap.
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| 158 | * @back: back pixmap.
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| 159 | *
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| 160 | * Used by the DRI2 page flip. This function will exchange the KHR images and
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| 161 | * fbos of the two pixmaps.
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| 162 | * */
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| 163 | extern _X_EXPORT void glamor_egl_exchange_buffers(PixmapPtr front,
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| 164 | PixmapPtr back);
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| 165 |
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| 166 | extern _X_EXPORT void glamor_pixmap_exchange_fbos(PixmapPtr front,
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| 167 | PixmapPtr back);
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| 168 |
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| 169 | /* The DDX is not supposed to call these three functions */
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| 170 | extern _X_EXPORT void glamor_enable_dri3(ScreenPtr screen);
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| 171 | extern _X_EXPORT unsigned int glamor_egl_create_argb8888_based_texture(ScreenPtr
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| 172 | screen,
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| 173 | int w,
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| 174 | int h);
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| 175 | extern _X_EXPORT int glamor_egl_dri3_fd_name_from_tex(ScreenPtr, PixmapPtr,
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| 176 | unsigned int, Bool,
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| 177 | CARD16 *, CARD32 *);
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| 178 |
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| 179 | /* @glamor_supports_pixmap_import_export: Returns whether
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| 180 | * glamor_fd_from_pixmap(), glamor_name_from_pixmap(), and
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| 181 | * glamor_pixmap_from_fd() are supported.
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| 182 | *
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| 183 | * @screen: Current screen pointer.
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| 184 | *
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| 185 | * To have DRI3 support enabled, glamor and glamor_egl need to be
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| 186 | * initialized. glamor also has to be compiled with gbm support.
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| 187 | *
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| 188 | * The EGL layer needs to have the following extensions working:
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| 189 | *
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| 190 | * .EGL_KHR_gl_texture_2D_image
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| 191 | * .EGL_EXT_image_dma_buf_import
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| 192 | * */
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| 193 | extern _X_EXPORT Bool glamor_supports_pixmap_import_export(ScreenPtr screen);
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| 194 |
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| 195 | /* @glamor_fd_from_pixmap: Get a dma-buf fd from a pixmap.
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| 196 | *
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| 197 | * @screen: Current screen pointer.
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| 198 | * @pixmap: The pixmap from which we want the fd.
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| 199 | * @stride, @size: Pointers to fill the stride and size of the
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| 200 | * buffer associated to the fd.
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| 201 | *
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| 202 | * the pixmap and the buffer associated by the fd will share the same
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| 203 | * content.
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| 204 | * Returns the fd on success, -1 on error.
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| 205 | * */
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| 206 | extern _X_EXPORT int glamor_fd_from_pixmap(ScreenPtr screen,
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| 207 | PixmapPtr pixmap,
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| 208 | CARD16 *stride, CARD32 *size);
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| 209 |
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| 210 | /**
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| 211 | * @glamor_name_from_pixmap: Gets a gem name from a pixmap.
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| 212 | *
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| 213 | * @pixmap: The pixmap from which we want the gem name.
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| 214 | *
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| 215 | * the pixmap and the buffer associated by the gem name will share the
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| 216 | * same content. This function can be used by the DDX to support DRI2,
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| 217 | * and needs the same set of buffer export GL extensions as DRI3
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| 218 | * support.
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| 219 | *
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| 220 | * Returns the name on success, -1 on error.
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| 221 | * */
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| 222 | extern _X_EXPORT int glamor_name_from_pixmap(PixmapPtr pixmap,
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| 223 | CARD16 *stride, CARD32 *size);
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| 224 |
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| 225 | /* @glamor_pixmap_from_fd: Creates a pixmap to wrap a dma-buf fd.
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| 226 | *
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| 227 | * @screen: Current screen pointer.
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| 228 | * @fd: The dma-buf fd to import.
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| 229 | * @width: The width of the buffer.
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| 230 | * @height: The height of the buffer.
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| 231 | * @stride: The stride of the buffer.
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| 232 | * @depth: The depth of the buffer.
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| 233 | * @bpp: The number of bpp of the buffer.
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| 234 | *
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| 235 | * Returns a valid pixmap if the import succeeded, else NULL.
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| 236 | * */
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| 237 | extern _X_EXPORT PixmapPtr glamor_pixmap_from_fd(ScreenPtr screen,
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| 238 | int fd,
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| 239 | CARD16 width,
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| 240 | CARD16 height,
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| 241 | CARD16 stride,
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| 242 | CARD8 depth,
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| 243 | CARD8 bpp);
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| 244 |
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| 245 | #ifdef GLAMOR_FOR_XORG
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| 246 |
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| 247 | #define GLAMOR_EGL_MODULE_NAME "glamoregl"
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| 248 |
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| 249 | /* @glamor_egl_init: Initialize EGL environment.
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| 250 | *
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| 251 | * @scrn: Current screen info pointer.
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| 252 | * @fd: Current drm fd.
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| 253 | *
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| 254 | * This function creates and intialize EGL contexts.
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| 255 | * Should be called from DDX's preInit function.
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| 256 | * Return TRUE if success, otherwise return FALSE.
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| 257 | * */
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| 258 | extern _X_EXPORT Bool glamor_egl_init(ScrnInfoPtr scrn, int fd);
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| 259 |
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| 260 | extern _X_EXPORT Bool glamor_egl_init_textured_pixmap(ScreenPtr screen);
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| 261 |
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| 262 | /* @glamor_egl_create_textured_screen: Create textured screen pixmap.
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| 263 | *
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| 264 | * @screen: screen pointer to be processed.
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| 265 | * @handle: screen pixmap's BO handle.
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| 266 | * @stride: screen pixmap's stride in bytes.
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| 267 | *
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| 268 | * This function is similar with the create_textured_pixmap. As the
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| 269 | * screen pixmap is a special, we handle it separately in this function.
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| 270 | */
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| 271 | extern _X_EXPORT Bool glamor_egl_create_textured_screen(ScreenPtr screen,
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| 272 | int handle, int stride);
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| 273 |
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| 274 | /* @glamor_egl_create_textured_screen_ext:
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| 275 | *
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| 276 | * extent one parameter to track the pointer of the DDX layer's back pixmap.
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| 277 | * We need this pointer during the closing screen stage. As before back to
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| 278 | * the DDX's close screen, we have to free all the glamor related resources.
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| 279 | */
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| 280 | extern _X_EXPORT Bool glamor_egl_create_textured_screen_ext(ScreenPtr screen,
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| 281 | int handle,
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| 282 | int stride,
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| 283 | PixmapPtr
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| 284 | *back_pixmap);
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| 285 |
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| 286 | /*
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| 287 | * @glamor_egl_create_textured_pixmap: Try to create a textured pixmap from
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| 288 | * a BO handle.
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| 289 | *
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| 290 | * @pixmap: The pixmap need to be processed.
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| 291 | * @handle: The BO's handle attached to this pixmap at DDX layer.
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| 292 | * @stride: Stride in bytes for this pixmap.
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| 293 | *
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| 294 | * This function try to create a texture from the handle and attach
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| 295 | * the texture to the pixmap , thus glamor can render to this pixmap
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| 296 | * as well. Return true if successful, otherwise return FALSE.
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| 297 | */
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| 298 | extern _X_EXPORT Bool glamor_egl_create_textured_pixmap(PixmapPtr pixmap,
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| 299 | int handle, int stride);
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| 300 |
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| 301 | /*
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| 302 | * @glamor_egl_create_textured_pixmap_from_bo: Try to create a textured pixmap
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| 303 | * from a gbm_bo.
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| 304 | *
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| 305 | * @pixmap: The pixmap need to be processed.
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| 306 | * @bo: a pointer on a gbm_bo structure attached to this pixmap at DDX layer.
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| 307 | *
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| 308 | * This function is similar to glamor_egl_create_textured_pixmap.
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| 309 | */
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| 310 | extern _X_EXPORT Bool
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| 311 | glamor_egl_create_textured_pixmap_from_gbm_bo(PixmapPtr pixmap, void *bo);
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| 312 |
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| 313 | #endif
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| 314 |
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| 315 | extern _X_EXPORT void glamor_egl_screen_init(ScreenPtr screen,
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| 316 | struct glamor_context *glamor_ctx);
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| 317 | extern _X_EXPORT void glamor_egl_destroy_textured_pixmap(PixmapPtr pixmap);
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| 318 |
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| 319 | extern _X_EXPORT int glamor_create_gc(GCPtr gc);
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| 320 |
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| 321 | extern _X_EXPORT void glamor_validate_gc(GCPtr gc, unsigned long changes,
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| 322 | DrawablePtr drawable);
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| 323 |
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| 324 | extern Bool _X_EXPORT glamor_change_window_attributes(WindowPtr pWin, unsigned long mask);
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| 325 | extern void _X_EXPORT glamor_copy_window(WindowPtr window, DDXPointRec old_origin, RegionPtr src_region);
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| 326 |
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| 327 | /* Glamor rendering/drawing functions with XXX_nf.
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| 328 | * nf means no fallback within glamor internal if possible. If glamor
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| 329 | * fail to accelerate the operation, glamor will return a false, and the
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| 330 | * caller need to implement fallback method. Return a true means the
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| 331 | * rendering request get done successfully. */
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| 332 | extern _X_EXPORT Bool glamor_fill_spans_nf(DrawablePtr drawable,
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| 333 | GCPtr gc,
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| 334 | int n, DDXPointPtr points,
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| 335 | int *widths, int sorted);
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| 336 |
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| 337 | extern _X_EXPORT Bool glamor_poly_fill_rect_nf(DrawablePtr drawable,
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| 338 | GCPtr gc,
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| 339 | int nrect, xRectangle *prect);
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| 340 |
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| 341 | extern _X_EXPORT Bool glamor_put_image_nf(DrawablePtr drawable,
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| 342 | GCPtr gc, int depth, int x, int y,
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| 343 | int w, int h, int left_pad,
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| 344 | int image_format, char *bits);
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| 345 |
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| 346 | extern _X_EXPORT Bool glamor_copy_n_to_n_nf(DrawablePtr src,
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| 347 | DrawablePtr dst,
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| 348 | GCPtr gc,
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| 349 | BoxPtr box,
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| 350 | int nbox,
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| 351 | int dx,
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| 352 | int dy,
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| 353 | Bool reverse,
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| 354 | Bool upsidedown, Pixel bitplane,
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| 355 | void *closure);
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| 356 |
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| 357 | extern _X_EXPORT Bool glamor_composite_nf(CARD8 op,
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| 358 | PicturePtr source,
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| 359 | PicturePtr mask,
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| 360 | PicturePtr dest,
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| 361 | INT16 x_source,
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| 362 | INT16 y_source,
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| 363 | INT16 x_mask,
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| 364 | INT16 y_mask,
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| 365 | INT16 x_dest, INT16 y_dest,
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| 366 | CARD16 width, CARD16 height);
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| 367 |
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| 368 | extern _X_EXPORT Bool glamor_trapezoids_nf(CARD8 op,
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| 369 | PicturePtr src, PicturePtr dst,
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| 370 | PictFormatPtr mask_format,
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| 371 | INT16 x_src, INT16 y_src,
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| 372 | int ntrap, xTrapezoid *traps);
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| 373 |
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| 374 | extern _X_EXPORT Bool glamor_glyphs_nf(CARD8 op,
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| 375 | PicturePtr src,
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| 376 | PicturePtr dst,
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| 377 | PictFormatPtr mask_format,
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| 378 | INT16 x_src,
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| 379 | INT16 y_src, int nlist,
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| 380 | GlyphListPtr list, GlyphPtr *glyphs);
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| 381 |
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| 382 | extern _X_EXPORT Bool glamor_triangles_nf(CARD8 op,
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| 383 | PicturePtr pSrc,
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| 384 | PicturePtr pDst,
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| 385 | PictFormatPtr maskFormat,
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| 386 | INT16 xSrc, INT16 ySrc,
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| 387 | int ntris, xTriangle *tris);
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| 388 |
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| 389 | extern _X_EXPORT void glamor_glyph_unrealize(ScreenPtr screen, GlyphPtr glyph);
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| 390 |
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| 391 | extern _X_EXPORT Bool glamor_set_spans_nf(DrawablePtr drawable, GCPtr gc,
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| 392 | char *src, DDXPointPtr points,
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| 393 | int *widths, int n, int sorted);
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| 394 |
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| 395 | extern _X_EXPORT Bool glamor_get_spans_nf(DrawablePtr drawable, int wmax,
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| 396 | DDXPointPtr points, int *widths,
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| 397 | int count, char *dst);
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| 398 |
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| 399 | extern _X_EXPORT Bool glamor_composite_rects_nf(CARD8 op,
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| 400 | PicturePtr pDst,
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| 401 | xRenderColor *color,
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| 402 | int nRect, xRectangle *rects);
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| 403 |
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| 404 | extern _X_EXPORT Bool glamor_get_image_nf(DrawablePtr pDrawable, int x, int y,
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| 405 | int w, int h, unsigned int format,
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| 406 | unsigned long planeMask, char *d);
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| 407 |
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| 408 | extern _X_EXPORT Bool glamor_add_traps_nf(PicturePtr pPicture,
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| 409 | INT16 x_off,
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| 410 | INT16 y_off, int ntrap,
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| 411 | xTrap *traps);
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| 412 |
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| 413 | extern _X_EXPORT Bool glamor_copy_plane_nf(DrawablePtr pSrc, DrawablePtr pDst,
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| 414 | GCPtr pGC, int srcx, int srcy, int w,
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| 415 | int h, int dstx, int dsty,
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| 416 | unsigned long bitPlane,
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| 417 | RegionPtr *pRegion);
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| 418 |
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| 419 | extern _X_EXPORT Bool glamor_image_glyph_blt_nf(DrawablePtr pDrawable,
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| 420 | GCPtr pGC, int x, int y,
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| 421 | unsigned int nglyph,
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| 422 | CharInfoPtr *ppci,
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| 423 | void *pglyphBase);
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| 424 |
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| 425 | extern _X_EXPORT Bool glamor_poly_glyph_blt_nf(DrawablePtr pDrawable, GCPtr pGC,
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| 426 | int x, int y,
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| 427 | unsigned int nglyph,
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| 428 | CharInfoPtr *ppci,
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| 429 | void *pglyphBase);
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| 430 |
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| 431 | extern _X_EXPORT Bool glamor_push_pixels_nf(GCPtr pGC, PixmapPtr pBitmap,
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| 432 | DrawablePtr pDrawable, int w, int h,
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| 433 | int x, int y);
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| 434 |
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| 435 | extern _X_EXPORT Bool glamor_poly_point_nf(DrawablePtr pDrawable, GCPtr pGC,
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| 436 | int mode, int npt, DDXPointPtr ppt);
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| 437 |
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| 438 | extern _X_EXPORT Bool glamor_poly_segment_nf(DrawablePtr pDrawable, GCPtr pGC,
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| 439 | int nseg, xSegment *pSeg);
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| 440 |
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| 441 | extern _X_EXPORT Bool glamor_poly_lines_nf(DrawablePtr drawable, GCPtr gc,
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| 442 | int mode, int n, DDXPointPtr points);
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| 443 |
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| 444 | extern _X_EXPORT Bool glamor_poly_text8_nf(DrawablePtr drawable, GCPtr gc,
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| 445 | int x, int y, int count, char *chars, int *final_pos);
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| 446 |
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| 447 | extern _X_EXPORT Bool glamor_poly_text16_nf(DrawablePtr drawable, GCPtr gc,
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| 448 | int x, int y, int count, unsigned short *chars, int *final_pos);
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| 449 |
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| 450 | extern _X_EXPORT Bool glamor_image_text8_nf(DrawablePtr drawable, GCPtr gc,
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| 451 | int x, int y, int count, char *chars);
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| 452 |
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| 453 | extern _X_EXPORT Bool glamor_image_text16_nf(DrawablePtr drawable, GCPtr gc,
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| 454 | int x, int y, int count, unsigned short *chars);
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| 455 |
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| 456 | #define HAS_GLAMOR_TEXT 1
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| 457 |
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| 458 | #ifdef GLAMOR_FOR_XORG
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| 459 | extern _X_EXPORT XF86VideoAdaptorPtr glamor_xv_init(ScreenPtr pScreen,
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| 460 | int num_texture_ports);
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| 461 | #endif
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| 462 |
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| 463 | #endif /* GLAMOR_H */
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